Home / 13,855.38-20,782.97-3,467.13

Finding the Fourth Proportional to 13,855.38, 20,782.97 and 3,467.13

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Solution

The fourth proportional to 13,855.38, 20,782.97 and 3,467.13 is: 5,200.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,855.38 : 20,782.97 = 3,467.13 : x
  2. Step 2: Convert to fraction form
    13,855.38/20,782.97 = 3,467.13/x
  3. Step 3: Cross multiply
    13,855.38x = 20,782.97 × 3,467.13
  4. Step 4: Simplify right side
    13,855.38x = 72,057,258.78
  5. Step 5: Solve for x
    x = 72,057,258.78/13,855.38
  6. Step 6: Final answer
    x = 5,200.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.